65 lines
1.8 KiB
Rust
65 lines
1.8 KiB
Rust
// SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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// SPDX-License-Identifier: Apache-2.0
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use std::env;
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const DEFAULT_LEADER_ZMQ_HOST: &str = "127.0.0.1";
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const DEFAULT_LEADER_ZMQ_PUB_PORT: u16 = 56001;
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const DEFAULT_LEADER_ZMQ_ACK_PORT: u16 = 56002;
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fn read_env_trimmed(key: &str) -> Option<String> {
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env::var(key)
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.ok()
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.map(|s| s.trim().to_string())
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.filter(|s| !s.is_empty())
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}
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fn parse_port_u16(s: &str) -> Option<u16> {
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match s.parse::<u32>() {
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Ok(v) if (1..=65535).contains(&v) => Some(v as u16),
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_ => None,
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}
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}
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fn validated_port_from_env(key: &str, default_port: u16) -> u16 {
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if let Some(val) = read_env_trimmed(key) {
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if let Some(p) = parse_port_u16(&val) {
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if p < 1024 {
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tracing::warn!("{key} is a privileged port ({p}); binding may require extra caps");
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}
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return p;
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} else {
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tracing::warn!("{key} invalid value '{val}', falling back to default {default_port}");
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}
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}
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default_port
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}
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fn get_leader_zmq_host() -> String {
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read_env_trimmed("DYN_KVBM_LEADER_ZMQ_HOST")
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.unwrap_or_else(|| DEFAULT_LEADER_ZMQ_HOST.to_string())
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}
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fn get_leader_zmq_pub_port() -> String {
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validated_port_from_env("DYN_KVBM_LEADER_ZMQ_PUB_PORT", DEFAULT_LEADER_ZMQ_PUB_PORT).to_string()
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}
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fn get_leader_zmq_ack_port() -> String {
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validated_port_from_env("DYN_KVBM_LEADER_ZMQ_ACK_PORT", DEFAULT_LEADER_ZMQ_ACK_PORT).to_string()
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}
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pub fn get_leader_zmq_pub_url() -> String {
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format!(
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"tcp://{}:{}",
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get_leader_zmq_host(),
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get_leader_zmq_pub_port()
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)
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}
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pub fn get_leader_zmq_ack_url() -> String {
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format!(
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"tcp://{}:{}",
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get_leader_zmq_host(),
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get_leader_zmq_ack_port()
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)
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}
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